2018 Honda Civic Specs
The 2018 Civic sedan comes with a 158 hp 2.0L four-cylinder (LX, EX) or a 174 hp 1.5L turbo (EX-T and up). A 6-speed manual is standard on the LX and EX-T and a CVT is available on every trim; the EPA rates it at up to 36 mpg combined.
2 versions · 10th gen · Updated Oct 2026
- Oil capacity
- 3.7–4.4 qt
- by version ↓
- Tire size
- 16–17″
- by version ↓
- MPG combined
- 34–36 mpg
Versions #versions
Compare versions #compare
| 2.0L | 1.5L Turbo | |
|---|---|---|
| Horsepower | 158 hp | 174 hp |
| Torque | 138 lb-ft | 162 lb-ft |
| Transmission | 6-speed manual / CVT | 6-speed manual / CVT |
| Oil capacity | 4.4 qt | 3.7 qt |
| Tire size | 215/55R16 | 215/50R17 |
| MPG combined | 34 mpg | 36 mpg |
| Curb weight | 2,742 lb | 2,849 lb |
Recalls #recalls
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Seat weight sensor may cause unintended air bag deployment
NHTSA 26V332000 · May 21, 2026 · Passenger seat weight sensor
The front passenger seat weight sensor may crack and short circuit, which can make the air bags deploy unintentionally in a crash.
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Fuel pump may fail
NHTSA 23V858000 · Dec 18, 2023 · Fuel pump
The fuel pump inside the fuel tank may fail.
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Steering assist may push the wrong way at full lock
NHTSA 18V663000 · Sep 27, 2018 · Electric power steering
A magnet in the power steering torque sensor may not be secured; if it comes loose, a full-lock turn can make the steering assist act in the opposite direction.
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Build date on the certification label may be unreadable
NHTSA 18V421000 · Jun 20, 2018 · Certification label
Random characters may print in the manufacturing date area of the certification label, making it hard to tell whether a recall applies to the car.
FAQ
What is the lug nut torque on a 2018 Honda Civic?
Honda specifies 80 lb-ft (108 N·m) for the wheel nuts.
How big is the gas tank on a 2018 Civic sedan?
12.4 gallons (12.39 gal).
How long is a 2018 Civic sedan?
182.3 inches long, 70.8 inches wide and 55.7 inches tall on a 106.3-inch wheelbase.
Sources: 2018 Honda Civic Sedan Owner's Manual, 2018 Civic Sedan Specifications & Features (Honda News), EPA fueleconomy.gov, NHTSA recalls. Updated Oct 2026.